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Journal : e-Jurnal Rekayasa dan Teknologi Budidaya Perairan

STUDY ON THE DEVELOPMENT AND GROWTH OF LARVES OF TIGER GROUPER Epinephelus fuscoguttatus (Forskal, 1775) AT DIFFERENT MEDIA TEMPERATURES Virgia Wulandari; Indra Gumay Yudha; Eko Effendi
e-Jurnal Rekayasa dan Teknologi Budidaya Perairan Vol 9, No 1 (2020)
Publisher : University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrtbp.v9i1.p1039-1046

Abstract

Water temperature has an influence on the development and growth of fish larvae. The appropriate water temperature can caused the development and growth of fish larvae optimum. This research aimed to study the effect of water temperature on the development and growth of brown marbled grouper larvae. This experimental design used a completely randomized design that had 3 treatments (26-28°C, 28-30°C, 30-32°C) equipped with 3 replications each. The parameters observed were the duration of yolk absorption, morphogenesis of larvae, and growth of body length. Data of larval morphogenesis development were analyzed descriptively, while the duration of yolk absorption and larval growth were analyzed of variance and post hoc test using the Least Significant Difference (LSD). The results showed that water temperature influenced morphogenesis development, the duration of yolk absorption, and the growth of larval significantly different. The result showed, larvae had morphological development and duration of yolk absorption faster in warmer incubation media.
NUTRIENT WASTE LOAD FROM VANAME SHRIMP (Litopeneaus vannamei) AND ANALYSIS OF LAND SUITABILITY BASED ON WATER QUALITY CRITERIA IN EARTH IN EAST RAWAJITU PROSPEROUS R Aken Yugo; Eko Effendi; Herman Yulianto
e-Jurnal Rekayasa dan Teknologi Budidaya Perairan Vol 9, No 1 (2020)
Publisher : University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrtbp.v9i1.p1057-1066

Abstract

Bumi Dipasena Sejahtera as part of Bumi Dipasena, which is managed by PT. Dipasena Citra Darmaja is the largest shrimp farming in Southeast Asia. Since operating in 1980, Bumi Dipasena has made production up to 200 tons/day. However, the current condition shows a decrease in total production to 30 – 40 tons/day from 16.000 operated ponds. Decreasing production is caused by declining water quality. This study aims to find out about nutrient loading and water suitability based on water quality criteria. Nutrient loading is determined from total production calculated from three different ponds. Suitability analysis was conducted by matching and scoring methods based on water quality measured at 7 sites in the inlet, outlet, and pond site. The result shows that nutrient loading has the highest value at the highest production. Water suitability analysis both of inlet and ponds include in suit marginal class (S3).